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Takahashi S, Futamata M and Ko]ima I 1999 Spectroscopy with scanning near-field optical microscopy using photon tunnelling mode J. Microscopy 194 519... 

B. J. Leimkuhler, S. Reich, and R. D. Skeel. Integration methods for molecular dynamics. In J. P. Mesirov, K. Schulten, and D. W. Sumners, editors, Mathematical Approaches to Biomolecvlar Structure and Dynamics, volume 82 of IMA Volumes in Mathematics and Its Applications, pages 161-186, New York, New York, 1996. Springer-Verlag. 

Leimkuhler, B. J., Reich, S., Skeel, R. D. Integration Methods for Molecular Dynamics. In IMA Volumes in Mathematics and its Applications. Eds. Mesirov, J., Schulten, K., Springer-Verlag, Berlin 82 (1995)... 

Christie, I. et al., 1981. Product approximation for non-linear problems in the finite element method. IMA J. Numer. Anal 1, 253-266. 

Magnesium is employed ki a wide variety of appHcations, based on its chemical, electrochemical, physical, and mechanical properties. The International Magnesium Association (IMA) divides the markets for magnesium kito 10 categories and tracks the volume of primary magnesium shipments to each market area on an annual basis. 

A. Bauer, Proceedings of the International Magnesium Association, 31 st Annual Meeting, Paris, IMA, Washiagton, D.C., June 1974, pp. 37—44. 

For more information on kinematic treatment of diffraction from stepped surfaces, see M. G. Lagally, D. E. Savage, and M. C. Tringides. In Reflection High-Energy Electron Difraction and Rflection Electron Ima ng of Surfaces. NATO ASI Series B, Plenum, New York, 1988, Volume 188. 

Signal-flow graphs are useful in another sense they provide an objective representation of "how the system works" which can be used to evaluate the worker s subjective mental representation of the system. The influence modeling and assessment (IMAS) technique, which is described in subsequent sections, can also be used to elicit the worker s representation of the system. Both techniques, IMAS and SFG, can therefore be used for training personnel. 

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